CN1988468A - Method, device and system for monitoring network performance between net elements - Google Patents
Method, device and system for monitoring network performance between net elements Download PDFInfo
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Abstract
The invention discloses a method, equipment and a system for monitoring network elements performance in IP network. The method is described in the following step:. the network administrator equipment distributes the corresponding relationship between opposite network elements and a number of IP addresses to local network elements. According to the relationship, the local network element calculates and counts performance parameters between own IP address and opposite IP address by RTCP protocol, and then reports them to the network administrator equipment. The invention achieves IP service quality and effective measurement of RTP flow bandwidth between every two media gateways, saves information bandwidth of performance test, and reduces the handling loads of network administrator equipment.
Description
Technical field
The present invention relates to method, equipment and the system of monitoring network performance, especially, relate to method, equipment and the system of monitoring network performance between net elements in IP network.
Background technology
Become the network of IP transmission to save transmission bandwidth and building time greatly speech conversion, at present, next generation network (NGN) and comprise the just worldwide vigorously construction of WCDMA core net of R4 construction.But because the particularity of IP network, time delay, shake, packet loss often take place, and voice quality is caused bigger influence.How to monitor large-scale next generation network end-to-end quality of service (QoS) and RTP (RTP) stream bandwidth, become that important technology studies a question in the next generation network.
With reference to Fig. 1, Fig. 1 is an IP network system topology schematic diagram in the prior art.According to the IP service quality statistical method of RTCP (RTCP Real-time Transport Control Protocol)/Real-time Transport Protocol regulation, on media gateway (MGW), can count the voice IP service quality value of peer IP address, utilize rtp streaming can add up two bandwidth between the media gateway.
In medium-sized or large-scale next generation network, the voice flow bandwidth of a media gateway handles may be greater than 1 GE.At this moment, need dispose a plurality of GE or Fast Ethernet port on media gateway, each port need dispose an IP address, and then there are a plurality of IP tunnels in other any one media gateway between this media gateway.Because media gateway is only known the IP address of oneself, there is not office direction promptly to arrive the notion of another one media gateway direction, according to RTCP/RTP protocol of I P service quality statistical method, media gateway will count on the qos value of each peer IP address respectively, so just cause the IP service quality of a plurality of IP address on the office direction repeat statistics, rtp streaming statistical from, must report a large amount of accounting messages, take the bandwidth of OMC management channels and strengthened Network Management Equipment processing load.
For example, in the medium-sized next generation network of 15 media gateway is arranged, each two IP address of media gateway configuration.In a measurement period, each media gateway must report 2 * (14 * 2)=56 message, and then 15 media gateway report 15 * 56=840 message altogether.
And in large-scale next generation network, possible configuration has 100 media gateway, the configurable not only IP address of each media gateway.So, the accounting message that this statistical method caused will become how much levels to increase, and the network bandwidth and Network Management Equipment all be can't bear the heavy load, and accounting message can not clearly give expression to the account of the history and the bandwidth of IP service quality between two media gateway.
Summary of the invention
At above-mentioned defective, the objective of the invention is to, in the IP network such as the wireless core network of large-scale next generation network or R4 framework, solve the problem that comprises the network performance measurement of performances such as IP service quality, rtp streaming bandwidth between per two network elements.
According to a first aspect of the invention, provide a kind of in IP network the method for monitoring network performance between net elements, may further comprise the steps: Network Management Equipment issues corresponding relation between opposite end network element and its a plurality of IP address to the local terminal network element; According to described corresponding relation, the local terminal network element utilizes rtcp protocol to calculate performance parameter between a plurality of IP address of local terminal IP address and opposite end respectively; The local terminal network element is added up a plurality of performance parameters of calculating; The performance parameter of local terminal network element after Network Management Equipment reports statistics.
In first aspect, preferably, described performance parameter comprises QoS parameter, and described statistic procedure comprises the step of maximum, minimum value in the definite a plurality of QoS parameters that calculate of local terminal network element.
Preferably, described performance parameter comprises QoS parameter, the described step that issues comprises that also Network Management Equipment issues the step of QoS parameter threshold value to the local terminal network element, and described statistic procedure comprises that the local terminal network element adds up the step that a plurality of QoS parameters surpass the duration of described threshold value.
Preferably, described QoS parameter comprises one or more in time delay, shake time and the packet loss.
Preferably, described performance parameter comprises bandwidth parameter, and described statistic procedure comprises the step of the summation of the definite a plurality of bandwidth parameters that calculate of local terminal network element.More preferably, described bandwidth parameter comprise the debit to bandwidth parameter and originating party to bandwidth parameter.
Preferably, described IP network comprises next generation network.
Preferably, described network element comprises media gateway.
According to second aspect, the network element in a kind of IP network is provided, it links to each other with Network Management Equipment and opposite end network element, and described network element comprises: receiving system is used to receive opposite end network element that Network Management Equipment issues and the corresponding relation between its a plurality of IP address; The performance parameter calculation element is used for according to described corresponding relation, utilizes rtcp protocol to calculate performance parameter between a plurality of IP address of local terminal IP address and opposite end respectively; The performance parameter statistic device is used for a plurality of performance parameters of calculating are added up; Dispensing device is used for the performance parameter after Network Management Equipment reports statistics.
In second aspect, preferably, described performance parameter comprises QoS parameter, and described performance parameter statistic device comprises the device of maximum, minimum value in a plurality of QoS parameters of determining to calculate.
Preferably, described performance parameter comprises QoS parameter, described receiving system also comprises the device of the QoS parameter threshold value that the reception Network Management Equipment issues, and described performance parameter statistic device comprises that a plurality of QoS parameters of statistics surpass the device of the duration of described threshold value.
Preferably, described QoS parameter comprises one or more in time delay, shake time and the packet loss.
Preferably, described performance parameter comprises bandwidth parameter, and described performance parameter statistic device comprises the device of the summation of a plurality of bandwidth parameters of determining calculating.
Preferably, described network element comprises media gateway.
According to the third aspect, a kind of IP network system is provided, comprise Network Management Equipment, it is characterized in that, also comprise as the described network element of second aspect.
In the third aspect, preferably, described IP network system comprises NGN system.
According to the present invention, under the cooperation of Network Management Equipment and media gateway, realized effective measurement of network performances such as per two media gateway IP service quality, rtp streaming bandwidth in the IP network, thereby greatly saved the intelligence bandwidth of performance test and reduced Network Management Equipment processing load, and can clearly express the account of the history of per two media gateway IP service quality, for IP network optimization provides foundation.
Description of drawings
For understanding the present invention better, only the invention will be further described in conjunction with the accompanying drawings in the mode of embodiment below, wherein:
Fig. 1 is an IP network system topology schematic diagram in the prior art;
Fig. 2 be of the present invention in IP network the flow chart of monitoring network performance between net elements.
Embodiment
With reference to Fig. 2, Fig. 2 be of the present invention in IP network the flow chart of monitoring network performance between net elements.In IP network such as network of future generation, Network Management Equipment requires the IP address of feedback RTP port to each network element such as media gateway issuing message, the IP address, corresponding port of network element feedback oneself configuration, Network Management Equipment is set up the corresponding relation between office direction and the network element RTP Port IP address.At step S11, Network Management Equipment issues corresponding relation between opposite end media gateway and its IP group of addresses to the local terminal media gateway, and creates the network performance statistics task.The example that utility command is created statistics task is as follows:
CRE IPQOSTSK:TSKN=" Beijing-Guangzhou "
MU＝IPQOSMEASURE，SPD＝1，SP1S＝00&00，SP1E＝00&00，PRD＝M1，LIP＝″10.10.214.26″，
RIP＝″10.10.118.58:10.10.118.59:10.10.118.60:10.10.118.61&10.11.211.30:10.11.211.31:10.11.211.32:10.11.211.33&10.12.10.8″，
ITMID＝REVRTPPACKETS&SENDRTPPACKETS&REVRTPBYTES&SENDRTPBYTES&L
REVRTPPACKETS&MAXLRATE&MAXLRATESIP&MAXLRATEDIP&MINLRATE&MINLR
ATESIP&MINLRATEDIP&MAXDE
LAYJITTER&MAXDELAYJITTERSIP&MAXDELAYJITTERDIP&MINDELAYJITTER&
MINDELAYJITTERSIP&MINDELAYJITTERDIP&MAXCIRCLEDELAY&MAXCIRCLED
ELAYSIP&MAXCIRCLEDELAYLI
P&MINCIRCLEDELAY&MINCIRCLEDELAYSIP&MINCIRCLEDELAYLIP&RECVRTPB
AND&SENTRTPBAND&LOSTRATEEXCEEDTHRD&DELAYJITTEREXCEEDTHRD&CIRC
LEDELAYEXCEEDTHRD；
Wherein TSKN represents task names, and MU represents measuring unit, parameter value " IPQOSMEASURE " expression statistics IPQOS value; SPD=1, SP1S=00﹠amp; 00, SP1E=00﹠amp; 00, PRD=M1 represents the execution of task cycle every day, and measurement period is 1 minute (PRD=M1), and timing statistics is from 00:00 to the second day 00:00; LIP represents the IP address of local terminal media gateway, is 10.10.214.26 in this example; RIP represents the IP address of opposite end media gateway, comprise media gateway office point, 3 opposite ends in this example, there are several IP addresses each office point, as office point, opposite end 14 IP addresses is arranged, and is respectively 10.10.118.58,10.10.118.59,10.10.118.60 and 10.10.118.61.
ITMID represents statistical indicator, and each statistical indicator implication is as follows:
REVRTPPACKETS receives RTP bag sum
SENDRTPPACKETS sends RTP bag sum
REVRTPBYTES receives RTP total amount of byte (K byte)
SENDRTPBYTES sends RTP total amount of byte (K byte)
LREVRTPPACKETS receives RTP packet loss sum
The MAXLRATE local terminal is added up maximum packet loss (%)
The near-end IP address of the maximum packet loss of MAXLRATESIP
The far-end IP address of the maximum packet loss of MAXLRATEDIP
The MINLRATE local terminal is added up minimum packet loss (%)
The near-end IP address of the minimum packet loss of MINLRATESIP
The far-end IP address of the minimum packet loss of MINLRATEDIP
MAXDELAYJITTER local terminal statistics delay variation maximum (millisecond)
The peaked near-end IP of MAXDELAYJITTERSIP delay variation address
The peaked far-end IP address of MAXDELAYJITTERDIP delay variation
MINDELAYJITTER local terminal statistics delay variation minimum value (millisecond)
The near-end IP address of MINDELAYJITTERSIP delay variation minimum value
The far-end IP address of MINDELAYJITTERDIP delay variation minimum value
MAXCIRCLEDELAY local terminal statistics maximum loop time delay (millisecond)
The near-end IP address of MAXCIRCLEDELAYSI P maximum loop time delay
The far-end IP address of MAXCIRCLEDELAYLIP maximum loop time delay
MINCIRCLEDELAY local terminal statistics minimum loop time delay (millisecond)
The near-end IP address of MINCIRCLEDELAYSIP minimum loop time delay
The far-end IP address of MINCIRCLEDELAYLIP minimum loop time delay
RECVRTPBAND debit is to rtp streaming amount bandwidth (K byte per second)
The SENTRTPBAND originating party is to rtp streaming amount bandwidth (K byte per second)
The LOSTRATEEXCEEDTHRD packet loss surpasses the duration (second) of threshold value
The DELAYJITTEREXCEEDTHRD delay variation surpasses the duration (second) of threshold value
The CIRCLEDELAYEXCEEDTHRD loop time delay surpasses the duration (second) of threshold value
Here a plurality of IP address is an example to the opposite end with IP address of local terminal, describes the process of network performance monitoring between two media gateway.For the situation of a plurality of IP of local terminal address, can repeat this process respectively.If do not specify local terminal IP, then show it is the qos value and the flow of statistics all IP of local terminal and opposite end.
Especially, Network Management Equipment can issue the threshold value of setting QoS parameter by order, as setting the threshold value of time delay, shake and packet loss, for example, sets dithering threshold 30ms, time delay threshold value 100ms, and packet loss 0.01%:
SET IPQOSTHD:TSKN=" Beijing-Guangzhou ", MU=IPQOSMEASURE, JITTERTHRD=30, DELAYTHRD=100, LOSTTHRD=0.01.
At step S12, according to the corresponding relation between the opposite end media gateway that issues and its IP group of addresses, the local terminal media gateway can be created the statistics task of self, utilize the performance parameter between rtcp protocol calculating local terminal IP address and a plurality of IP address, opposite end, as QoS parameter and rtp streaming bandwidth parameter.Especially, QoS parameter comprise one or more in time delay, shake time and the packet loss, bandwidth parameter comprise the debit to bandwidth parameter and originating party to bandwidth parameter.
At step S13, the corresponding relation of the opposite end media gateway IPs a plurality of address that issues according to Network Management Equipment with it, the local terminal media gateway is added up a plurality of performance parameters of calculating.The local terminal media gateway gathers the statistics that the total interface plate reports, per two IP between count the QoS parameter and the rtp streaming bandwidth parameter of opposite end media gateway in the calculated data.
For QoS parameter, can count maximum, minimum value in a plurality of QoS parameters of each office direction, as maximum/minimal time delay value, maximum/minimum jitter value and minimax packet loss value.For example, the process of determining maximum delay value is as follows: the right time delay value in each IP address of local terminal media gateway periodic samples current time, be sampled as example measuring period with each RTCP, with this RTCP time delay value (Qa) and maximum so far time delay value (Qmax) comparison, if Qa＞Qmax, the value of then upgrading Qmax is Qa, simultaneously corresponding local terminal IP address and the peer IP address of record.Each RTCP carries out this step measuring period in the measurement period, and the Qmax that finally obtains is exactly the time delay value of all IP address centering maximums.And for example, the process of determining the minimal time delay value is: with the IP QOS value (Qa) of this RTCP measuring period and minimum so far time delay value (Qmin) relatively, if Qa＜Qmin, the value of then upgrading Qmin is Qa, simultaneously corresponding local terminal IP address and the peer IP address of record.Each RTCP carries out this step measuring period in the measurement period, and the Qmin that finally obtains is exactly the time delay value of all IP address centering minimums.
For the rtp streaming bandwidth parameter, the local terminal network element can be to a plurality of bandwidth parameter summations that utilize rtcp protocol to calculate.Preferably, bandwidth parameter comprise the debit to flow bandwidth and originating party to flow bandwidth, can sue for peace to flow bandwidth to flow bandwidth and originating party to the debit respectively, to determine the summation of a plurality of rtp streaming bandwidth parameters.
Simultaneously, the threshold value of time delay, shake and the packet loss of setting according to aforementioned Network Management Equipment transmitting order to lower levels, the local terminal media gateway can be monitored the statistics that each RTCP of interface board reports measuring period, in the counting statistics cycle between the office direction time delay, shake and packet loss surpass the duration of threshold value.For example, set time delay threshold value is 100ms, the detailed process that the statistics time delay value surpasses the duration of threshold value is: the right time delay value in each IP address of local terminal media gateway periodic samples current time, this sampling period is identical measuring period with RTCP, be sampled as example with each RTCP, if certain IP address of a plurality of IP address centering has surpassed 100ms to the time delay of current RTCP measuring period, then the time delay value duration that surpasses threshold value will add up time measuring period of RTCP.In 5 minutes promptly 300 seconds measurement period, sample and more at every turn, found that the time delay value of 2 RTCP measuring periods has surpassed threshold value, then time delay value is exactly 2 * RTCP measuring period above the duration of threshold value in this measurement period.
At last, at step S14, the local terminal media gateway is reported to the performance parameter after the statistics of opposite end media gateway to Network Management Equipment, comprise maximum/minimal time delay value, maximum/minimum jitter value and minimax packet loss value, to rtp streaming amount total bandwidth, and time delay, shake and packet loss surpass the parameters such as duration of threshold value to the debit to rtp streaming amount total bandwidth, originating party.The message example that reports is as follows:
Task names=Beijing-Guangzhou
Measuring unit title=IP QoS test
Measurement period=1 minute
Sequence number=14 as a result
Whether the result reliable=TRUE
Object instance=object oriented=IP address LIP=10.10.214.26 RIP=10.10.118.58:10.10.118.59:10.10.118.60:10.10.118.61 image parameter
＝10.10.214.26&10.10.118.58:10.10.118.59:10.10.118.60:10.10.118.61
Generation time=2005-09-30 10:00:00 as a result
Receive RTP bag sum=7001000
Send RTP bag sum=7001020
Receive RTP total amount of byte (K byte)=1400200
Send RTP total amount of byte (K byte)=1400204
Receive RTP packet loss sum=0
Local terminal is added up maximum packet loss (%)=0
The near-end IP address=0.0.0.0 of maximum packet loss
Far-end IP address=the 0.0.0.0 of maximum packet loss
Local terminal is added up minimum packet loss (%)=0
The near-end IP address=0.0.0.0 of minimum packet loss
Far-end IP address=the 0.0.0.0 of minimum packet loss
Local terminal statistics delay variation maximum (millisecond)=100
The peaked near-end IP of delay variation address=10.10.214.26
Peaked far-end IP address=the 59:10.10.118.60 of delay variation
Local terminal statistics delay variation minimum value (millisecond)=10
The near-end IP address=10.10.214.26 of delay variation minimum value
Far-end IP address=the 10.10.214.26 of delay variation minimum value
Local terminal statistics maximum loop time delay (millisecond)=80
The near-end IP address=10.10.214.26 of maximum loop time delay
Far-end IP address=the 10.10.118.61 of maximum loop time delay
Local terminal statistics minimum loop time delay (millisecond)=10
The near-end IP address=10.10.214.26 of minimum loop time delay
Far-end IP address=the 10.10.118.58 of minimum loop time delay
The debit is to rtp streaming amount bandwidth (K byte per second)=23336.667
Originating party is to rtp streaming amount bandwidth (K byte per second)=23336.667
Packet loss surpasses the duration (second)=0 of threshold value
Delay variation surpasses the duration (second)=10 of threshold value
Loop time delay surpasses the duration (second)=10 of threshold value
Preamble is an example with the media gateway that is used for next generation network, the description of property that the invention has been described.In addition, the present invention also can be used for other network elements except that media gateway in any IP network, and this is understandable to those skilled in the art.
Obviously, the present invention described here can have many variations, and this variation can not be thought and departs from the spirit and scope of the present invention.Therefore, the change that all it will be apparent to those skilled in the art all is included within the covering scope of these claims.
Claims (16)
1, a kind of in IP network the method for monitoring network performance between net elements, may further comprise the steps:
Network Management Equipment issues corresponding relation between opposite end network element and its a plurality of IP address to the local terminal network element;
According to described corresponding relation, the local terminal network element utilizes rtcp protocol to calculate performance parameter between a plurality of IP address of local terminal IP address and opposite end respectively;
The local terminal network element is added up a plurality of performance parameters of calculating;
The performance parameter of local terminal network element after Network Management Equipment reports statistics.
2, the method for claim 1 is characterized in that, described performance parameter comprises QoS parameter, and described statistic procedure comprises the step of maximum, minimum value in the definite a plurality of QoS parameters that calculate of local terminal network element.
3, the method for claim 1, it is characterized in that, described performance parameter comprises QoS parameter, the described step that issues comprises that also Network Management Equipment issues the step of QoS parameter threshold value to the local terminal network element, and described statistic procedure comprises that the local terminal network element adds up the step that a plurality of QoS parameters surpass the duration of described threshold value.
As claim 2 or 3 described methods, it is characterized in that 4, described QoS parameter comprises one or more in time delay, shake time and the packet loss.
5, the method for claim 1 is characterized in that, described performance parameter comprises bandwidth parameter, and described statistic procedure comprises the step of the summation of the definite a plurality of bandwidth parameters that calculate of local terminal network element.
6, method as claimed in claim 5 is characterized in that, described bandwidth parameter comprise the debit to bandwidth parameter and originating party to bandwidth parameter.
7, as each described method in the claim 1 to 3,5,6, it is characterized in that described IP network comprises next generation network.
8, method as claimed in claim 7 is characterized in that, described network element comprises media gateway.
9, the network element in a kind of IP network, it links to each other with Network Management Equipment and opposite end network element, and described network element comprises:
Receiving system is used to receive opposite end network element that Network Management Equipment issues and the corresponding relation between its a plurality of IP address;
The performance parameter calculation element is used for according to described corresponding relation, utilizes rtcp protocol to calculate performance parameter between a plurality of IP address of local terminal IP address and opposite end respectively;
The performance parameter statistic device is used for a plurality of performance parameters of calculating are added up;
Dispensing device is used for the performance parameter after Network Management Equipment reports statistics.
10, network element as claimed in claim 9 is characterized in that, described performance parameter comprises QoS parameter, and described performance parameter statistic device comprises the device of maximum, minimum value in a plurality of QoS parameters of determining to calculate.
11, network element as claimed in claim 9, it is characterized in that, described performance parameter comprises QoS parameter, described receiving system also comprises the device of the QoS parameter threshold value that the reception Network Management Equipment issues, and described performance parameter statistic device comprises that a plurality of QoS parameters of statistics surpass the device of the duration of described threshold value.
As claim 10 or 11 described network elements, it is characterized in that 12, described QoS parameter comprises one or more in time delay, shake time and the packet loss.
13, network element as claimed in claim 9 is characterized in that, described performance parameter comprises bandwidth parameter, and described performance parameter statistic device comprises the device of the summation of a plurality of bandwidth parameters of determining calculating.
14, as each described network element in the claim 9 to 11,13, it is characterized in that described network element comprises media gateway.
15, a kind of IP network system comprises Network Management Equipment, it is characterized in that, also comprises each described network element in the claim 9 to 14.
16, system as claimed in claim 15 is characterized in that, described IP network system comprises NGN system.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101212323A CN100558044C (en) | 2005-12-22 | 2005-12-22 | The method of monitoring network performance between net elements, equipment and system |
| PCT/CN2006/001875 WO2007071137A1 (en) | 2005-12-22 | 2006-07-27 | A monitoring method, apparatus and system for the network performance |
| CNA2006800123414A CN101160823A (en) | 2005-12-22 | 2006-07-27 | Network performance monitoring method, equipment and system |
| US11/615,177 US7653005B2 (en) | 2005-12-22 | 2006-12-22 | Method, device and system for monitoring network performance |
| AT06026766T ATE399409T1 (en) | 2005-12-22 | 2006-12-22 | METHOD, APPARATUS AND SYSTEM FOR MONITORING NETWORK PERFORMANCE |
| DE602006001568T DE602006001568D1 (en) | 2005-12-22 | 2006-12-22 | Method, apparatus and system for monitoring network performance |
| EP06026766A EP1802035B1 (en) | 2005-12-22 | 2006-12-22 | Method, device and system for monitoring network performance |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101212323A CN100558044C (en) | 2005-12-22 | 2005-12-22 | The method of monitoring network performance between net elements, equipment and system |
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| Publication Number | Publication Date |
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| CN1988468A true CN1988468A (en) | 2007-06-27 |
| CN100558044C CN100558044C (en) | 2009-11-04 |
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| CNB2005101212323A Expired - Fee Related CN100558044C (en) | 2005-12-22 | 2005-12-22 | The method of monitoring network performance between net elements, equipment and system |
| CNA2006800123414A Pending CN101160823A (en) | 2005-12-22 | 2006-07-27 | Network performance monitoring method, equipment and system |
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| CNA2006800123414A Pending CN101160823A (en) | 2005-12-22 | 2006-07-27 | Network performance monitoring method, equipment and system |
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|---|---|
| US (1) | US7653005B2 (en) |
| EP (1) | EP1802035B1 (en) |
| CN (2) | CN100558044C (en) |
| AT (1) | ATE399409T1 (en) |
| DE (1) | DE602006001568D1 (en) |
| WO (1) | WO2007071137A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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- 2006-12-22 US US11/615,177 patent/US7653005B2/en active Active
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- 2006-12-22 EP EP06026766A patent/EP1802035B1/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2009059521A1 (en) * | 2007-11-01 | 2009-05-14 | Huawei Technologies Co., Ltd. | Method and system for monitoring and controlling media transmission quality |
| WO2010003365A1 (en) * | 2008-07-07 | 2010-01-14 | 华为技术有限公司 | Method and device for measuring quality of service of internet protocol transmission network |
| CN101409651B (en) * | 2008-11-26 | 2012-11-07 | 中国电信股份有限公司 | Method, system and equipment for monitoring soft exchange load-bearing network quality |
| WO2010066143A1 (en) * | 2008-12-08 | 2010-06-17 | 华为终端有限公司 | Method, apparatus and system for processing network quality of service |
| CN109600341A (en) * | 2017-09-30 | 2019-04-09 | 华为技术有限公司 | A kind of instant messaging detection method and equipment |
| CN109600341B (en) * | 2017-09-30 | 2021-10-26 | 华为技术有限公司 | Instant messaging detection method, equipment and computer storage medium |
| CN114513443A (en) * | 2022-02-07 | 2022-05-17 | 中电科思仪科技股份有限公司 | Communication system and communication method for network test instrument and upper computer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101160823A (en) | 2008-04-09 |
| WO2007071137A1 (en) | 2007-06-28 |
| US20070165535A1 (en) | 2007-07-19 |
| ATE399409T1 (en) | 2008-07-15 |
| CN100558044C (en) | 2009-11-04 |
| US7653005B2 (en) | 2010-01-26 |
| DE602006001568D1 (en) | 2008-08-07 |
| EP1802035B1 (en) | 2008-06-25 |
| EP1802035A1 (en) | 2007-06-27 |
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